| Cαϻеʀα Rαⱳ Coϻρʀеssioה Bеהcнϻαʀк | |||||||||||||
| ORIGINAL | RawSpeedCmp2 | DGCA | LIBBSC | ZPAQ 6.41 | BZIP2 | 7-Zip 9.30 | WinZip 17.5 | RAR 4.20 | DNG 1.4 * | ZIP / GZ | Rawzor | ||
| get the test files here | + ZPAQ method 4 | solid | -m0 -e2 -b1024 | -method 4 | option 9 | 64mb, fb=273 | ZIPX | best, auto 4 MB | cmp, not linear | Winzip legacy | 0.4.7 beta | ||
| ■ canon_eos_5d_mark_iii_05.. | 26.943.621 | 24.387.048 | 25.723.824 | 25.893.980 | 25.972.991 | 26.120.312 | 26.046.996 | 26.114.799 | 26.101.088 | 24.583.036 | 26.308.822 | 23.314.403 | |
| ■ canon_eos_6d_14.cr2 | 26.501.199 | 25.217.125 | 25.977.296 | 26.069.996 | 26.070.348 | 26.153.282 | 26.085.262 | 26.288.976 | 26.145.447 | 25.596.338 | 26.208.189 | 23.747.918 | |
| ■ canon_eos_m_04.cr2 | 24.937.810 | 23.705.446 | 24.091.840 | 24.258.146 | 24.202.191 | 24.251.444 | 24.180.906 | 24.352.651 | 24.180.906 | 23.448.148 | 24.427.804 | 22.519.103 | |
| ■ fujifilm_finepix_x100_11.raf | 19.901.392 | 12.434.658 | 11.221.360 | 12.954.154 | 12.434.658 | 14.871.511 | 14.852.229 | 14.841.386 | 14.007.560 | 12.515.898 | 17.145.988 | 19.901.392 | |
| ■ fujifilm_x_e1_20.raf | 26.146.816 | 12.792.840 | 12.674.048 | 13.085.114 | 12.792.840 | 14.420.578 | 15.258.928 | 15.217.095 | 15.255.780 | 17.264.018 | 18.196.297 | 26.146.816 | |
| ■ fujifilm_xf1_08.raf | 19.768.256 | 14.425.321 | 13.945.200 | 14.918.670 | 14.425.321 | 16.677.897 | 16.911.582 | 16.899.865 | 16.341.189 | 15.732.148 | 18.006.391 | 19.768.256 | |
| ■ leica_m82_05.dng | 10.583.732 | 5.920.202 | 5.785.728 | 5.984.194 | 5.874.660 | 6.349.512 | 6.811.182 | 6.767.662 | 6.715.697 | 9.152.240 | 8.076.926 | 10.583.732 | |
| ■ leica_x1_10.dng | 18.432.256 | 10.453.231 | 10.918.720 | 12.491.364 | 11.930.669 | 13.891.213 | 14.716.229 | 14.637.416 | 13.629.393 | 12.743.874 | 17.175.883 | 18.432.256 | |
| ■ nikon_1_v2_17.nef | 12.513.574 | 10.698.628 | 11.592.560 | 11.557.946 | 12.435.894 | 11.897.462 | 12.118.299 | 12.071.053 | 12.221.194 | 12.025.580 | 12.210.945 | 10.341.007 | |
| ■ nikon_d4_10.nef | 20.276.750 | 18.566.863 | 19.582.256 | 19.688.608 | 20.055.936 | 19.854.565 | 19.931.023 | 19.941.797 | 19.984.410 | 18.646.862 | 19.960.133 | 17.980.171 | |
| ■ nikon_d5200_14.nef | 28.109.879 | 26.185.740 | 27.620.480 | 27.700.040 | 28.125.904 | 28.028.504 | 28.021.588 | 28.110.049 | 28.090.554 | 27.251.966 | 28.037.188 | 24.821.100 | |
| ■ olympus_epm2_16.orf | 16.182.707 | 16.197.954 | 15.996.848 | 16.002.568 | 16.191.027 | 16.095.430 | 16.011.662 | 16.156.023 | 16.060.498 | 21.263.152 | 16.028.988 | 15.748.459 | |
| ■ olympus_om_d_e_m5_24.orf | 16.152.516 | 15.924.670 | 15.908.496 | 15.940.722 | 16.161.545 | 16.067.932 | 16.010.390 | 16.101.302 | 16.062.638 | 21.297.726 | 16.028.895 | 15.683.579 | |
| ■ olympus_xz2_10.orf | 19.320.944 | 12.102.619 | 12.502.544 | 13.737.918 | 13.476.125 | 14.916.737 | 14.482.717 | 14.460.583 | 15.912.537 | 18.630.460 | 15.984.705 | 19.320.944 | |
| ■ panasonic_lumix_dmc_gh3_10.. | 19.826.176 | 14.026.175 | 14.688.320 | 15.720.530 | 17.623.561 | 17.351.055 | 16.287.709 | 16.239.048 | 17.656.303 | 19.115.512 | 18.639.201 | 16.016.570 | |
| ■ panasonic_lumix_g5_15.rw2 | 19.788.288 | 15.236.955 | 15.843.024 | 17.623.636 | 18.553.821 | 18.518.843 | 17.920.370 | 17.891.891 | 18.406.890 | 18.049.584 | 18.990.409 | 15.496.110 | |
| ■ pentax_k5_ii_12.dng | 26.228.938 | 20.012.584 | 21.894.320 | 21.633.732 | 21.700.508 | 23.351.907 | 23.408.358 | 23.358.773 | 24.050.554 | 22.116.264 | 24.222.840 | 26.228.938 | |
| ■ pentax_q10_19.dng | 21.659.481 | 14.595.154 | 14.668.784 | 15.444.642 | 15.175.793 | 16.776.193 | 17.469.756 | 17.413.317 | 17.200.357 | 13.851.250 | 19.499.022 | 21.659.481 | |
| ■ samsung_nx20_01.srw | 39.347.960 | 25.582.527 | 25.938.544 | 25.755.290 | 25.283.875 | 29.091.246 | 29.568.528 | 29.455.237 | 30.978.788 | 22.494.012 | 34.525.155 | 39.347.960 | |
| ■ samsung_nx1000_19.srw | 37.642.656 | 22.691.159 | 22.635.392 | 22.395.272 | 22.189.301 | 24.958.874 | 25.893.326 | 25.901.286 | 27.565.433 | 19.992.298 | 30.467.517 | 37.642.656 | |
| ■ sigma_dp2.x3f | 14.337.044 | 14.383.003 | 12.807.056 | 12.416.478 | 14.383.003 | 13.184.268 | 13.595.307 | 13.536.625 | 14.072.785 | 13.933.380 | 14.123.276 | 14.337.044 | |
| ■ sigma_sd1_merrill_13.x3f | 45.761.372 | 45.871.260 | 39.033.024 | 39.101.976 | 45.871.260 | 40.441.732 | 41.681.197 | 41.652.158 | 43.697.434 | 45.761.372 | 43.841.547 | 45.761.372 | |
| ■ sony_a55.arw | 17.039.360 | 14.244.370 | 15.733.264 | 15.632.788 | 16.951.994 | 16.345.140 | 16.130.474 | 16.083.266 | 16.503.430 | 21.616.152 | 16.499.451 | 17.039.360 | |
| ■ sony_a77_08.arw | 25.329.664 | 19.892.176 | 22.724.368 | 22.998.580 | 25.329.475 | 23.930.812 | 23.737.311 | 23.681.285 | 24.421.936 | 30.072.126 | 24.454.910 | 25.329.664 | |
| ■ sony_a99_04.arw | 25.100.288 | 19.796.622 | 20.879.376 | 21.876.324 | 25.034.604 | 23.353.983 | 22.668.352 | 22.634.447 | 23.834.302 | 26.851.256 | 24.017.265 | 25.100.288 | |
| total size: | 577.832.679 | 455.344.330 | 460.386.672 | 470.882.668 | 488.247.304 | 496.900.432 | 499.799.681 | 499.807.990 | 509.097.103 | 514.004.652 | 533.077.747 | 552.268.579 | |
| encoding time: | 46 sec | 205 sec | 109 sec | 333 sec | 150 sec | 122 sec | 128 sec | 80 sec | 134 sec | 67 sec | 26 sec | ||
| decoding time: | not implemented | 156 sec | 89 sec | 155 sec | 119 sec | 26 sec | 39 sec | 39 sec | 25 sec | 7 sec | 13 sec | ||
| * DNG changes embedded JPEG thumbnails and therefore is not truly lossless | |||||||||||||
| 25.100.288 | blue filesizes mean that the compressor could not compress here, so ZPAQ-compressed filesize was used (RawSpeedCmp2) / original filesize was used (Rawzor). | ||||||||||||
| RawSpeedCmp (RawSpeedCompress2) is created by Klaus Post (idea: Dave Coffin). It cannot resore input at present. | |||||||||||||
| It splits input in two files: pixel data and metadata and applies delta-down and ZigZag-Encoding to improve compression (done by p.ex. ZPAQ 6.41). | |||||||||||||